Question

A particle is moving in a circle of radius r centre
at O with constant speed v the change in velocity
moving from A to B (ZAOB = 40°) is -
(A) 2v cos 40°
(B) 2v sin 40°
(C) 2v cos 20°
(D) 2v sin 20°​

Answer 1

Answer:

ans is 2v sin 20°

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